To ensure reliability, purchase GM part # 16637842 Rear Door Module Latch Assembly. It is sometimes referred to as Buick Door Lock, Buick Door Lock Actuator, Buick Door Latch Assembly. Directly from GM, genuine parts are superb with regards to quality, longevity, and fit. Every single part passed stringent quality testing, so you can be sure that it's safe, durable, and built to perform like your original parts. This part fits specific Buick Park Avenue models.
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